two people singing or playing an instrument together
duet
adj that describes the ability to use both hands equally
ambidextrous
knows two languages fluently
bilingual
official document proving graduation
diploma
an adj that describes an animal that lives both on land and in water
amphibian
two people fighting
duel
verb means to surgically remove a limb
amputate
adj that means happens twice a year
biannual
combination of two letters that together make one sound
digraph
an arena; a stadium with seating on both sides
amphitheater
a verb that means to make a copy; as a noun it is the actual copy of something
duplicate
(n) that means atmosphere; mood
ambiance
an adj that means two sided
bilateral
a predicament; a quandry
dilemma
an adj that describes a person who is argumentative; combative
contentious
an adj that means doubtful, unsure, or questionable
dubious
(adj) describes being able to leave the same day of a surgical procedure
ambulatory
n / adj that means happens every two hundred years
bicentennial
an official who represents his/her country in other nations
diplomat
an adj that means excusable; justifying; trying to lesson the seriousness
extenuating
an adv that means certainly; definitely
indubitably
an adj that means vague; unclear
ambiguous
an adj that describes something divided; an example: a fork in the river
bifurcated
having two oxygen atoms
dioxide
an adj that describes someone who deals with others to achieve a peaceful resolution
diplomatic